Taking the deviations of the time variable compute the trend values for the following data by the method of least square : 1 2 6. Days : Sales (in Rs.) : 3 4 5 7 20 30 40 20 50 60 80

Q: 5. What is the effect size (calculate Cohen's d)?

A: We have given that  Sample mean = 88 Population mean = 85 Sample standard deviation = 7

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Q: File Edit View History Bookmarks Window Help 台00,G 日凹 References AutoSave OFF ... nsert Draw Design…

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A: Sampling distribution of the sample mean is an important concept in statistics.

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Q: What was the mean and standard deviation of the sample

A: A sample of 16 was used to find that the 95% interval estimate for μ was (38.2405725, 42.9394275).

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Q: The number of books sold weekly for 6 Weeks by a book store 69 65 66 71 68 73 Class Frequency 61-65…

A: Grouped mean =68.833